Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
octombrie
←
Greek
Οκτώβριος
(mention)
←
Latin
([[mensis]]) [[octōber]]
(derived)
←
Proto-Slavic
*oktębrь
(mention)
←
Proto-Slavic
*oktovrijь
(mention)